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HeadAmp Aristaeus Electrostatic Amp - build thread - Page 2

post #16 of 110
Thread Starter 

First amp is up and running.  I am working on various electrical/build quality improvements from the original version before I start working on the rest of them.

HeadAmp Audio Electronics - home of the Pico and Gilmore amps.  Now with Audeze, Fostex, HiFiMAN, Sennheiser, and STAX.
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post #17 of 110

I am working on various electrical/build quality improvements from the original version before I start working on the rest of them.

@Justin  Thanks for the good news.

Heard that there is a lot of improvement from the original Aristaeus

Can't wait for my unit  (the third?)

post #18 of 110

Hm - if the mods will make a difference in sound quality, will it be possible to upgrade an old Aristaeus?

post #19 of 110

Aristaeus is alive, just going over improvements to wiring and grounding

Possible changes to grounding/filaments, working on testing that now

The points on each panel that allow the whole box to be grounded when screwed together were laser engraved instead of dremeled, which is more precise

Bottom of the box is also now polished instead of matte

Screws on all the panels are now countersunk

Same umbilical cable as BHSE

PSU transformer screw black instead of white

Bowl counterbores on the panels for LEDs

PSU front panel now laser engraved too

Flanges milled into front panels for improved chassis rigidity

Ventilation holes put into the rings around the base of the tubes

All rings now the same height

Tube installation pattern laser engraved into back panel, shows what the tubes are

"The aristeaus looks better on the scope than any electrostatic amp ive built"

 

This information brings a lot of smile on my face and it's worth the long waiting

post #20 of 110
Quote:
Originally Posted by kiertijai View Post

"The aristeaus looks better on the scope than any electrostatic amp ive built"


Where is that quote from?

post #21 of 110
Thread Starter 

First one (#12 overall)

 

aristaeus.jpg

HeadAmp Audio Electronics - home of the Pico and Gilmore amps.  Now with Audeze, Fostex, HiFiMAN, Sennheiser, and STAX.
Find us at www.HeadAmp.com

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post #22 of 110

Dear Justin,  Thanks for the update and the beautiful Aristaeus that we will have

What is the difference between the Alps Blue Potentiometer vs Dact Attenuator?

post #23 of 110

One is a continuous volume adjustment (Alps), one is a stepped volume adjustment (DACT).

post #24 of 110
@n3rdling : Thanks for the info. I will definitely go with Alps if not very expensive
post #25 of 110

The Alps Blue is a pretty budget pot. I would *definitely* look for something better in such a high end amp.

post #26 of 110

The Alps Blue is a pretty budget pot. I would *definitely* look for something better in such a high end amp.

    Would you suggest the Alps RK50?  Are they still available?  I have heard that they are out of stock because of high demand.

post #27 of 110
Thread Starter 
Quote:
Originally Posted by kiertijai View Post

The Alps Blue is a pretty budget pot. I would *definitely* look for something better in such a high end amp.

    Would you suggest the Alps RK50?  Are they still available?  I have heard that they are out of stock because of high demand.


This is a very small amp, the Alps RK50 is too large.  The amp was designed to fit either the Alps Blue or DACT stepped attenuator.

 

HeadAmp Audio Electronics - home of the Pico and Gilmore amps.  Now with Audeze, Fostex, HiFiMAN, Sennheiser, and STAX.
Find us at www.HeadAmp.com

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post #28 of 110

no way youll fit an rk50 in there
 

Quote:
Originally Posted by kiertijai View Post

The Alps Blue is a pretty budget pot. I would *definitely* look for something better in such a high end amp.

    Would you suggest the Alps RK50?  Are they still available?  I have heard that they are out of stock because of high demand.



 

post #29 of 110

I am happy with what Justin suggests the best for Aristaeus

I can go with either  the Alps Blue Velvet or DACT volume attenuator , which are better?


Edited by kiertijai - 2/19/12 at 8:50pm
post #30 of 110

The DACT will offer better sonics over a blue velvet in ANY amp
 

Quote:
Originally Posted by kiertijai View Post

I am happy with what Justin suggests the best for Aristaeus

I can go with either  the Alps Blue Velvet or DACT volume attenuator , which are better?



 

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